TRUNK-4424 Added missing class

api/src/main/java/org/openmrs/api/db/hibernate/search/ConceptNameSimilarity.java

@@ -0,0 +1,34 @@
+/**
+ * The contents of this file are subject to the OpenMRS Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://license.openmrs.org
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
+ */
+package org.openmrs.api.db.hibernate.search;
+
+import org.apache.lucene.index.FieldInvertState;
+import org.apache.lucene.search.DefaultSimilarity;
+
+public class ConceptNameSimilarity extends DefaultSimilarity {
+
+	private static final long serialVersionUID = 1L;
+
+	@Override
+	public float computeNorm(String field, FieldInvertState state) {
+		final int numTerms;
+		if (discountOverlaps)
+			numTerms = state.getLength() - state.getNumOverlap();
+		else
+			numTerms = state.getLength();
+
+		//Score longer documents much lower
+		return state.getBoost() * ((float) (1.0 / numTerms / numTerms / numTerms / numTerms));
+	}
+}